[gtk+] GtkPlacesSidebar: don't unref an object we don't own

[Cosimo Cecchi <cosimoc src gnome org>]

commit f4f82e736c9608b7147f0b51141fd2d5bc2e0fce
Author: Cosimo Cecchi <cosimo endlessm com>
Date:   Thu Nov 14 18:30:47 2013 -0800

    GtkPlacesSidebar: don't unref an object we don't own
    
    gtk_settings_get_default() doesn't return a reference, so don't unref it
    during dispose.

 gtk/gtkplacessidebar.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index c744c16..6d3a886 100644
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -4047,7 +4047,7 @@ gtk_places_sidebar_dispose (GObject *object)
   if (sidebar->gtk_settings)
     {
       g_signal_handlers_disconnect_by_func (sidebar->gtk_settings, shell_shows_desktop_changed, sidebar);
-      g_clear_object (&sidebar->gtk_settings);
+      sidebar->gtk_settings = NULL;
     }
 
   G_OBJECT_CLASS (gtk_places_sidebar_parent_class)->dispose (object);